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Individual Calculations August 2017 |
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| Alahakoon, T N Total change: -1.20 | |   |
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| Sri Lanka Major Division Championship 2017 - Kandy | Kandy | SRI | 2017-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1464 | 1723 | 5.00 | 7 | -0.54 | 20 | -10.80 | |
|  Amarathunga, W A S V | | | 1323 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Omaththage, S Y | | | 1323 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Dissanayake , Sithila C | | | 1329 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Siriwardane, A L | | | 1425 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Aluvihare, Shakila | | | 1656 | SRI | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Yatawara, O L B | | | 1574 | SRI | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Haputhanthri, H L N B | | | 1618 | SRI | 0.50 | 1 | -0.14 | 20 | -2.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Sri Lanka National B Chess Championship 2017 | Narahenpita | SRI | 2017-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1723 | 4.50 | 9 | 0.68 | 20 | 13.60 | |
| | Liyanapathirana, Pasan Vindula | | | 1926 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Thenuka, Kuruwita Gamalathge Kin | | | 1588 | SRI | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Lamahewa, C | | | 1864 | SRI | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Doluweera, Minul Sanjula | f | | 2092 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Dabarera, G W D M | | | 1603 | SRI | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Amarasinghe, A A C B | | | 1915 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Thiyasara, K T Thisen | | | 1835 | SRI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Gamage, H Charanga Jithmal | | | 1695 | SRI | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Nirmalarajah, S | | | 1583 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 6th Mercantile and Government Service International Rating Chess Championship 2017 | Colombo, Sri Lanka | SRI | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1736 | 4.00 | 6 | -0.20 | 20 | -4.00 | |
| | Amarosa, A A | | | 1337 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bentharaarachchi, Sudesh | | | 1555 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Athukorala, P M A B | | | 2017 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Gunarathna, D A Viraj Darshana | | | 1487 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Dissanayake, Ranura | | | 1576 | SRI | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Siriwardane, A L | | | 1425 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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